[PATCH 1/8] etnaviv: remove iommu fault handler

Lucas Stach l.stach at pengutronix.de
Fri Sep 15 17:04:32 UTC 2017


The handler has never been used, so it's really just dead code.

Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
---
 drivers/gpu/drm/etnaviv/etnaviv_mmu.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
index f103e787de94..f3ed07db9b2d 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
@@ -22,13 +22,6 @@
 #include "etnaviv_iommu.h"
 #include "etnaviv_mmu.h"
 
-static int etnaviv_fault_handler(struct iommu_domain *iommu, struct device *dev,
-		unsigned long iova, int flags, void *arg)
-{
-	DBG("*** fault: iova=%08lx, flags=%d", iova, flags);
-	return 0;
-}
-
 int etnaviv_iommu_map(struct etnaviv_iommu *iommu, u32 iova,
 		struct sg_table *sgt, unsigned len, int prot)
 {
@@ -307,8 +300,6 @@ struct etnaviv_iommu *etnaviv_iommu_new(struct etnaviv_gpu *gpu)
 		    mmu->domain->geometry.aperture_end -
 		    mmu->domain->geometry.aperture_start + 1);
 
-	iommu_set_fault_handler(mmu->domain, etnaviv_fault_handler, gpu->dev);
-
 	return mmu;
 }
 
-- 
2.11.0



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